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    • Reducing the phosphate in wastewater from the washing process using eggshell and mussel shell 

      Rakcharoen, Jenjira; เจนจิรา รักเจริญ; Suenonmueng, Nednapa; เนตรนภา เสือโนนม่วง; Marjang, Ninlawan; นิลวรรณ มาแจ้ง (2022-01-31)
      This research studied the factors that affect the efficiency of phosphate reduction in the wastewater of the washing process with CaCO3 and CaO produced from eggshell and mussel shell. The study found that the optimum ...